Watch casing and bezel



FIG. 1 is a front elevational view of a watch casing and bezel showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a right side elevational view thereof.

The broken-line showings of a watch band are for environmental purposes and form no part of the claimed design. 

The ornamental design for a watch casing and bezel, as shown and described. 